Re: [swinog] MX Swissonline Down?

2004-01-22 Thread Flavio Curti
Hi

On Thu, Jan 22, 2004 at 01:02:44AM +0100, Erich Hohermuth wrote:
 On Thursday 22 January 2004 00:19, Fabian Uebersax wrote:
  - cablecom applies filters whenever they feel like
 Lets play a silly game like: I block you because you block me ! 
 Let the customers be the referees.
This is what led us to this! We had problems with swissonline as well
(blocking our mailservers ips), and when we talked to them they were
like ``They (AOL, Hotmail) do this to us too, thats why we do it too''

I absolutely don't think that this will solve anything (``Was du nicht
willst das man dir tut das fueg auch keinem anderen zu'' heisst es doch
so schoen ;) )

Gruss

Flavio

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[swinog] MX Swissonline Down?

2004-01-21 Thread Peter Baumann
Hello

We have more and more questions from customers which cannot send emails 
to swissonline.ch.
It seems that since some days swissonline is swissoffline :-)
Does someone know why mx.hispeed.ch is down?

dig swissonline.ch mx:

;; QUESTION SECTION:
;swissonline.ch.IN  MX
;; ANSWER SECTION:
swissonline.ch. 2597IN  MX  10 mx.hispeed.ch.
;; ADDITIONAL SECTION:
mx.hispeed.ch.  8093IN  A   62.2.95.11
telnet mx.hispeed.ch 25
Trying 62.2.95.11... - no answer.
Peter
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R: [swinog] MX Swissonline Down?

2004-01-21 Thread Manuel Wenger
telnet mx.hispeed.ch 25
Trying 62.2.95.11... 

220 mx.hispeed.ch ESMTP Sendmail 8.12.6/8.12.6/tornado-1.0; Wed, 21 Jan 2004 16:06:27 
+0100

-Messaggio originale-
Da: Peter Baumann [mailto:[EMAIL PROTECTED] 
Inviato: mercoledì, 21. gennaio 2004 15:53
A: [EMAIL PROTECTED]
Oggetto: [swinog] MX Swissonline Down?


Hello

We have more and more questions from customers which cannot send emails 
to swissonline.ch.
It seems that since some days swissonline is swissoffline :-) Does someone know why 
mx.hispeed.ch is down?


___
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Tel 0844 007070 - Fax 0844 007071
http://www.ticinocom.com

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Re: R: [swinog] MX Swissonline Down?

2004-01-21 Thread Raffael Marty
Well, the first comment about a LoadBalancer to get high-availability is
not really a solution: What happens if the router or switch or whatever
goes down? So co-locate please!

Secondly, what about this:

- Transcript of session follows -
 while talking to mx.hispeed.ch.:
 DATA
 550 5.7.1 [EMAIL PROTECTED]... Fix reverse DNS for 217.118.195.58
or use your ISPs mail server

I have a reverse entry for my 217.xxx ... Any clues?

  -ram

-- 
  Raffael Marty, CISSP
  Security Engineer
  Lead Content Team @ ArcSight Inc.
  1309 South Mary Ave, Sunnyvale, CA 94002, USA

quote who=Manuel Wenger
 telnet mx.hispeed.ch 25
 Trying 62.2.95.11...

 220 mx.hispeed.ch ESMTP Sendmail 8.12.6/8.12.6/tornado-1.0; Wed, 21 Jan
 2004 16:06:27 +0100

 -Messaggio originale-
 Da: Peter Baumann [mailto:[EMAIL PROTECTED]
 Inviato: mercoledì, 21. gennaio 2004 15:53
 A: [EMAIL PROTECTED]
 Oggetto: [swinog] MX Swissonline Down?


 Hello

 We have more and more questions from customers which cannot send emails
 to swissonline.ch.
 It seems that since some days swissonline is swissoffline :-) Does
 someone know why mx.hispeed.ch is down?


 ___
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 Tel 0844 007070 - Fax 0844 007071
 http://www.ticinocom.com

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RE: [swinog] MX Swissonline Down?

2004-01-21 Thread Fabian Uebersax
EHLO,

 Secondly, what about this:
 
 - Transcript of session follows -
  while talking to mx.hispeed.ch.:
  DATA
  550 5.7.1 [EMAIL PROTECTED]... Fix reverse DNS for 
 217.118.195.58
 or use your ISPs mail server
 
 I have a reverse entry for my 217.xxx ... Any clues?

Hmm, doesn't work for me:

-
# dig -x 217.118.195.58  

;  DiG 9.2.3  -x 217.118.195.58
;; global options:  printcmd
;; Got answer:
;; -HEADER- opcode: QUERY, status: NXDOMAIN, id: 17103
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
-

Well, at least you're able to establish a _connection_ to mx.hispeed.ch :-
Our server IP range was blocked there for days and days but after a gazillion of mails 
and phone calls I finally found a friend of mine whose friend is a friend [...] of 
someone who works at cablecom and happens to be sitting next to the cablecom 
mailserver admin. So finally they added a -j ACCEPT rule for our MTAsduh!

Let's see if I can find out any contact information of that admin

BTW, the following explanations were given to me:

- cablecom applies filters whenever they feel like
- no-one gets informed when a filter is added
- the filter will remain active until the admin of the IP / IP range that was filtered 
contacts cablecom
- they do not read mails sent to [EMAIL PROTECTED]/swissonline.ch, quote there are 
simply too many mails coming in there so it's easier to simply /dev/null all of them

sigh!

cheers,
- Fabian
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RE: R: [swinog] MX Swissonline Down?

2004-01-21 Thread Kurt A. Schumacher
Raffy,

$ nslookup 217.118.195.58
Server:  localhost
Address:  127.0.0.1
*** localhost can't find 217.118.195.58: Non-existent host/domain

So let's see:

$ nslookup
Default Server:  localhost
Address:  127.0.0.1

 set type=soa
 195.118.217.in-addr.arpa
Server:  localhost
Address:  127.0.0.1

Non-authoritative answer:
195.118.217.in-addr.arpa
origin = ns1.into.ch
mail addr = postmaster.into.ch
serial = 2003122001
refresh = 7200 (2 hours)
retry   = 1800 (30 mins)
expire  = 1209600 (14 days)
minimum ttl = 86400 (1 day)

Authoritative answers can be found from:
195.118.217.in-addr.arpanameserver = ns2.into.ch
195.118.217.in-addr.arpanameserver = ns1.into.ch
ns2.into.ch internet address = 217.118.199.11
ns1.into.ch internet address = 217.118.195.11
 server ns1.into.ch
Default Server:  ns1.into.ch
Address:  217.118.195.11

 217.118.195.58
Server:  ns1.into.ch
Address:  217.118.195.11
*** ns1.into.ch can't find 217.118.195.58: Non-existent host/domain

I am not highly convinced on Cablecom quality - at least on certain services, but at 
least our DNS nor the authority for this
network are not able to resolve the address listed - sorry, but _this_ does not look 
like a Cablecom problem here.

-Kurt.

PS. Yes, I am aware of dig, but I am over 42 ;-)

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Raffael Marty
Sent: Wednesday, January 21, 2004 11:50 PM
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Subject: Re: R: [swinog] MX Swissonline Down?


Well, the first comment about a LoadBalancer to get high-availability is not really a 
solution: What happens if the router or switch
or whatever goes down? So co-locate please!

Secondly, what about this:

- Transcript of session follows -
 while talking to mx.hispeed.ch.:
 DATA
 550 5.7.1 [EMAIL PROTECTED]... Fix reverse DNS for 217.118.195.58 or use your 
ISPs mail server

I have a reverse entry for my 217.xxx ... Any clues?

  -ram

-- 
  Raffael Marty, CISSP
  Security Engineer
  Lead Content Team @ ArcSight Inc.
  1309 South Mary Ave, Sunnyvale, CA 94002, USA

quote who=Manuel Wenger
 telnet mx.hispeed.ch 25
 Trying 62.2.95.11...

 220 mx.hispeed.ch ESMTP Sendmail 8.12.6/8.12.6/tornado-1.0; Wed, 21 
 Jan 2004 16:06:27 +0100

 -Messaggio originale-
 Da: Peter Baumann [mailto:[EMAIL PROTECTED]
 Inviato: mercoledì, 21. gennaio 2004 15:53
 A: [EMAIL PROTECTED]
 Oggetto: [swinog] MX Swissonline Down?


 Hello

 We have more and more questions from customers which cannot send 
 emails to swissonline.ch. It seems that since some days swissonline is 
 swissoffline :-) Does someone know why mx.hispeed.ch is down?


 ___
 Ticinocom SA - Via dei Pioppi 10 - 6616 Losone
 Tel 0844 007070 - Fax 0844 007071
 http://www.ticinocom.com

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Re: R: [swinog] MX Swissonline Down?

2004-01-21 Thread Erich Hohermuth
Yet another test ;-)

  550 5.7.1 [EMAIL PROTECTED]... Fix reverse DNS for 217.118.195.58
 or use your ISPs mail server

 I have a reverse entry for my 217.xxx ... Any clues?

Are you sure ? 

1. Check 
#whois -h whois.ripe.net 195.118.217.in-addr.arpa

domain:   195.118.217.in-addr.arpa
descr:Reverse delegation for Internet Online AG
admin-c:  RB351-RIPE
admin-c:  RM1122-RIPE
tech-c:   RB351-RIPE
tech-c:   RM1122-RIPE
zone-c:   RB351-RIPE
zone-c:   RM1122-RIPE
nserver:  ns1.into.ch
nserver:  ns2.into.ch
changed:  [EMAIL PROTECTED] 20020111
source:   RIPE

2.Check

#dig @ns1.into.ch 58.195.118.217.in-addr.arpa ANY

; -HEADER- opcode: QUERY, status: NXDOMAIN   

Erich



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Re: [swinog] MX Swissonline Down?

2004-01-21 Thread Adrian Senn
Hi

- cablecom applies filters whenever they feel like
- no-one gets informed when a filter is added
Same for our customer. We (cevinet.ch; hosting service for ymca/ywca 
switzerland also know as cevi) do forward a lot of mails to the hosting 
providers in Switzerland.
The spam filter remove the mails without a warning to the customer.
I saw on the logfile a successful sending. But the mail never reached 
the customer. Very sad. Only solution for the moment: Disable Spam 
filtering on the webformular.
Bad spamfiltering :-/

- the filter will remain active until the admin of the IP / IP range that was filtered 
contacts cablecom
- they do not read mails sent to [EMAIL PROTECTED]/swissonline.ch, quote there are simply 
too many mails coming in there so it's easier to simply /dev/null all of them
Seems to be a black hole.

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Re: [swinog] MX Swissonline Down?

2004-01-21 Thread Erich Hohermuth
On Thursday 22 January 2004 00:19, Fabian Uebersax wrote:
 - cablecom applies filters whenever they feel like
 - no-one gets informed when a filter is added
 - the filter will remain active until the admin of the IP / IP range that
 was filtered contacts cablecom - they do not read mails sent to
 [EMAIL PROTECTED]/swissonline.ch, quote there are simply too many mails
 coming in there so it's easier to simply /dev/null all of them

Ok, at least we have a statement. As I always say, everyone is free to accept 
mails or not. After all you will get only spam and everything else is blocked 
;-.

Lets play a silly game like: I block you because you block me ! 
Let the customers be the referees.

just my 0.5 Sfr.

Regards
Erich

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